Henley River 10k, Half Marathon & Junior Race (September 2026)

The Henley River 10k, Half Marathon & Junior Race is a late-summer running event in Henley-on-Thames featuring three race options on mixed, undulating terrain alongside the River Thames.

The Henley River 10k, Half Marathon & Junior Race takes place on Saturday 5th September 2026 in Henley-on-Thames, Oxfordshire. Organised by RunThrough Events, the event offers three race options and a lively race-day atmosphere on a scenic route near the Thames.

The course starts and finishes at Temple Island Meadows and follows mixed, undulating terrain designed to challenge runners while still offering a great opportunity to chase personal bests.

• Date: Saturday 5th September 2026
• Location: Henley-on-Thames, Oxfordshire (start/finish: Temple Island Meadows)
• Distances: 10km, Half Marathon, Junior Race
• Price range: £12.00 - £37.00

Start times

• 09:00am – Half Marathon
• 09:30am – 10k
• 11:30am – Junior Race

Course notes

• Half Marathon: 1 mini lap + 2 laps (elevation approx. 98m)
• 10k: 1 lap (elevation approx. 46m)
• Junior Race: out and back
• Terrain: mixed and undulating